A circular, single or multipiece item, metallic or nonmetallic in composition, designed to be fitted in a circumferential groove in a piston and to spring outward against the cylinder wall to function as a seal or wiper. It is supplied in various cross-sectional shapes and is cut through at one point to allow for installation in the piston ring groove. It may include an expander. Excludes packing, preformed; retainer, oil seal; retainer, packing; ring, retaining; ring wiper; and seal ring, metal.
Classification: Parts nesoi, of compressors other than refrigerating and air conditioning compressors
NSN 6620-00-159-0866
NSN 5835-00-092-1136
NSN 5835-01-485-0210
NSN 6110-01-065-0232
NSN 6650-00-498-2416
NSN 5855-01-100-3272
NSN 6135-01-096-1452
NSN 5930-01-566-2193
NSN 5835-01-347-8714
NSN 6610-01-391-5092
NSN 5998-00-937-8065
NSN 4140-01-488-1169